src/services/_connection_service.py

from fastapi import WebSocket
from typing import List

from src.utils import logger

class ConnectionService:
    def __init__(self):
        self.active_connections: List[WebSocket] = []

    async def __aenter__(self): 
        return self
    
    async def __aexit__(self, exc_type, exc_val, exc_tb):
        pass
    
    async def connect(self, websocket: WebSocket):
        try:
            await websocket.accept()
            self.active_connections.append(websocket)
            logger.info("WebSocket connection established.")
        except Exception as e:
            logger.error(f"Failed to establish WebSocket connection: {e}")

    def disconnect(self, websocket: WebSocket):
        try:
            self.active_connections.remove(websocket)
            logger.info("WebSocket connection closed.")
        except Exception as e:
            logger.error(f"Failed to close WebSocket connection: {e}")

    async def send_personal_message(self, message: str, websocket: WebSocket):
        try:
            await websocket.send_text(message)
        except Exception as e:
            logger.error(f"Failed to send message: {e}")

    async def broadcast(self, message: str):
        for connection in self.active_connections:
            try:
                await connection.send_text(message)
            except Exception as e:
                logger.error(f"Failed to broadcast message: {e}")
                self.disconnect(connection)